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authorTim Blechmann <tim@klingt.org>2009-02-19 17:34:03 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-03 12:04:22 +0100
commit780eef9492b16a1543a3b2ae9f9526a735fc9856 (patch)
treed3c4942a98845558d45e4b36d5350ebf41cde524 /init
parent0fc59d3a01820765e5f3a723733728758b0cf577 (diff)
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op-kernel-dev-780eef9492b16a1543a3b2ae9f9526a735fc9856.tar.gz
x86: oprofile: don't set counter width from cpuid on Core2
Impact: fix stuck NMIs and non-working oprofile on certain CPUs Resetting the counter width of the performance counters on Intel's Core2 CPUs, breaks the delivery of NMIs, when running in x86_64 mode. This should fix bug #12395: http://bugzilla.kernel.org/show_bug.cgi?id=12395 Signed-off-by: Tim Blechmann <tim@klingt.org> Signed-off-by: Robert Richter <robert.richter@amd.com> LKML-Reference: <20090303100412.GC10085@erda.amd.com> Cc: <stable@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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